GB1514472A - Ceramic materials - Google Patents

Ceramic materials

Info

Publication number
GB1514472A
GB1514472A GB3531574A GB3531574A GB1514472A GB 1514472 A GB1514472 A GB 1514472A GB 3531574 A GB3531574 A GB 3531574A GB 3531574 A GB3531574 A GB 3531574A GB 1514472 A GB1514472 A GB 1514472A
Authority
GB
United Kingdom
Prior art keywords
substituted
ceramic materials
niobium
zirconium
iron
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3531574A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB3531574A priority Critical patent/GB1514472A/en
Publication of GB1514472A publication Critical patent/GB1514472A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
    • C04B35/486—Fine ceramics
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
    • C04B35/49—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates
    • C04B35/491—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates based on lead zirconates and lead titanates, e.g. PZT
    • C04B35/493—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates based on lead zirconates and lead titanates, e.g. PZT containing also other lead compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

1514472 Substituted lead zirconate ceramic materials PLESSEY CO Ltd 26 June 1975 [10 Aug 1974] 35315/74 Heading CIJ A ceramic material whose composition comprises lead zirconate substituted with uranium wherein zirconium is also substantially equally substituted with either iron and niobium, iron and tantalum, or nickel and niobium. Bismuth and potassium may be substituted for the lead and the zirconium may be further partially substituted with titanium or hafnium.
GB3531574A 1975-06-26 1975-06-26 Ceramic materials Expired GB1514472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3531574A GB1514472A (en) 1975-06-26 1975-06-26 Ceramic materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3531574A GB1514472A (en) 1975-06-26 1975-06-26 Ceramic materials

Publications (1)

Publication Number Publication Date
GB1514472A true GB1514472A (en) 1978-06-14

Family

ID=10376323

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3531574A Expired GB1514472A (en) 1975-06-26 1975-06-26 Ceramic materials

Country Status (1)

Country Link
GB (1) GB1514472A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0194900A2 (en) * 1985-03-15 1986-09-17 Gec-Marconi Limited Improvements relating to pyroelectric ceramics

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0194900A2 (en) * 1985-03-15 1986-09-17 Gec-Marconi Limited Improvements relating to pyroelectric ceramics
EP0194900A3 (en) * 1985-03-15 1988-01-07 Gec-Marconi Limited Improvements relating to pyroelectric ceramics

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19950625